Oval glass-fronted brass pendant reliquary theca housing first-class ex ossibus (of the bone) relic of Saint Catherine of Siena. The relic is affixed to a red silk ground, surrounded by gilt paperolle ornamentation, and identified in Latin on a manuscript cedula label as S. Cat: V. Sen. (Saint Catherine, Virgin of Siena). On the back, the theca is secured with a perfectly preserved seal of red Spanish wax bearing an imprint of a coat of Fr. Antonio Cantoni (†1781), Bishop of Faenza, Italy (1742–1767) and Archbishop of Ravenna, Italy (1767–1781).
Saint Catherine of Siena, T.O.S.D. (+1380), a tertiary of the Dominican Order and a Scholastic theologian. She, together with St. Francis of Assisi, was named one of the two patron saints of Italy. In 1970, she was proclaimed a Doctor of the Church by Pope Paul VI, and in 1999, Pope John Paul II named her as one of the six patron saints of Europe. Saint Catherine protects against fire, bodily ills, illness, miscarriages, people ridiculed for their piety, sexual temptation, sick people, sickness, nurses and is a patron of Italy and Europe.